.d-card {
  width: 40%;
  margin-left: 5%;
  float: left;
  height: 200px;
  border-radius: 10px;
  margin-bottom: 10%;
  text-align: center;
  box-shadow: 0px 10px 20px -8px #d9d9d9;
}
.d-card-header {
  background: rgb(255, 255, 255);
  height: 60px;
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
}
.d-card-content {
  background: #f1f1f1;
  height: 140px;
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
}
